Add junit5 test code for module [linkis-engineconn-plugin-core]

[ruY9527]

Add junit5 test code for module [linkis-engineconn-plugin-core]

• Module: linkis-engineconn-plugin-core
• Location:linkis-computation-governance/linkis-engineconn-plugin-core
• Task status:✗(unfinished)/ ✓(finished)
• Test code guide:https://linkis.apache.org/zh-CN/community/how-to-write-unit-test-code/
• Test code example: https://github.com/apache/incubator-linkis/tree/master/linkis-public-enhancements/linkis-publicservice/linkis-jobhistory/src/test

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• 模块名: linkis-engineconn-plugin-core
• 代码位置:linkis-computation-governance/linkis-engineconn-plugin-core
• 任务状态:✗(unfinished)/ ✓(finished)
• 单测编写指引:https://linkis.apache.org/zh-CN/community/how-to-write-unit-test-code/
• 参考样例: https://github.com/apache/incubator-linkis/tree/master/linkis-public-enhancements/linkis-publicservice/linkis-jobhistory/src/test

Task status	Class	Type	Level of Difficulty	Note
✗	org.apache.linkis.manager.engineplugin.common.conf.*	conf	normal
✗	org.apache.linkis.manager.engineplugin.common.creation.*	factory	normal
✗	org.apache.linkis.manager.engineplugin.common.exception.*	exception	normal
✗	org.apache.linkis.manager.engineplugin.common.launch.process.Environment	Environment	normal
✗	org.apache.linkis.manager.engineplugin.common.launch.process.JavaProcessEngineConnLaunchBuilder	build	normal
✗	org.apache.linkis.manager.engineplugin.common.loader.conf.PluginLoaderConstant	Constant	normal
✗	org.apache.linkis.manager.engineplugin.common.loader.exception.*	exception	normal
✗	org.apache.linkis.manager.engineplugin.common.resource.GenericEngineResourceFactory	factory	normal